Collidal solution is a heterogeneous solution which contains particle of intermediate size, i.e., (diameter between 1 and 1000 nm) colloidal is not a substance but it is a state of a substance which depends upon the molecular size. Colloidal solutions are intermediate between ture solution and suspensions.
The colloidal particle can pass through

Options

A. Filter paper as well can pass through Animal Membrane
B. Animal membrane but not through filter paper.
C. Filter paper but not through animal membrane.
D. Neither filter paper nor animal membrane.

Answer

C